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Hello,

I have a query regarding the generation of core mesh in hypermesh cfd. 

Why it is necessary to have only tetra core meshing? Is it the requirement for hypermesh or in others also for cfd core must have tetras.

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It is a very solver specific issue with the element type. CFD Solvers need a fine boundary layer and then rest of the elements can be either hexas or tetras. Tetras are the easiest to generate (meshing time and user effort), so that is the default.

 

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